A casting device for improving magnetic powder defects on the surface of wind power spherical iron castings

Abstract

The invention discloses a casting device for improving the surface magnetic powder defects of a spherical iron casting of a wind power plant, and relates to the technical field of iron casting. The casting device comprises a workbench, a feeding module, a sand box module, a pressing module, a pressing drive module, a mold assembly, a gantry crane, a crucible and a sand-filling barrel. The workbench is placed on a plane, and the feeding modules are respectively arranged at both ends of the workbench, and the two feeding modules are placed opposite to each other. The workbench is fixedly connected to the sand box module, and the sand box modules are respectively arranged at both ends of the feeding module, and the two sand box modules are placed opposite to each other. The two ends of the sand box module are connected to the feeding module, the sand box module is fixedly connected to the pressing module, the sand box module is fixedly connected to the pressing drive module, and the pressing drive module is threadedly connected to the pressing module. The mold assembly is placed in the sand box module, the gantry crane is placed on a plane, the crucible is placed on a plane, and the crucible is located at the bottom of the gantry crane. The sand-filling barrel is placed on a plane, and the sand-filling barrel is located at the bottom of the gantry crane.

Description

Technical Field

[0001] The invention relates to the technical field of iron casting, in particular to a casting device for improving magnetic powder defects on the surface of a wind power spherical iron casting. Background Art

[0002] With the global energy shifting to low-carbon, pollution-free, safe, and low-CO2 emissions, wind power casting companies have been able to develop rapidly. my country's wind power development has achieved remarkable achievements. The difference in quality in the wind power industry and the pressure of the industry's overall cost have led to uneven quality levels of wind power castings produced. As an important part of large wind turbines, the bearing seat is in a harsh environment of seawater corrosion, humidity, low temperature, etc. for a long time, so the quality requirements for wind power castings are extremely high.

[0003] In the prior art, slag inclusion defects have always accounted for a relatively high proportion among various quality defects. Slag inclusion defects seriously reduce the mechanical properties of castings such as toughness and yield strength, and are prone to unpredictable risks during the operation of the fan. The internal structure of some castings is relatively complex, and a mold core needs to be placed during casting. The mold core is usually placed directly on the sand mold. The installation of the mold core is easily affected by the sand mold, which is very inconvenient. Summary of the invention

[0004] The object of the present invention is to provide a casting device for improving the magnetic powder defects on the surface of a wind power spherical iron casting, so as to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a casting device for improving the surface magnetic powder defects of wind power spherical cast iron parts, comprising a workbench, a feeding module, a sand box module, a pressing module, a pressing drive module, a mold assembly, a gantry crane, a crucible and a sand filling barrel, the workbench is placed on a plane, the feeding modules are respectively arranged at both ends of the workbench, the two feeding modules are placed opposite to each other, the workbench is fixedly connected to the sand box module, the sand box modules are respectively arranged at both ends of the feeding module, the two sand box modules are placed opposite to each other, the two ends of the sand box module are connected to the feeding module, the sand box module is fixedly connected to the pressing module, the sand box module is fixedly connected to the pressing drive module, the pressing drive module is threadedly connected to the pressing module, the mold assembly is placed in the sand box module, the gantry crane is placed on a plane, the crucible is placed on a plane, the crucible is located at the bottom of the gantry crane, the sand filling barrel is placed on a plane, and the sand filling barrel is located at the bottom of the gantry crane.

[0006] The workbench is used to fix and support various components. The feeding module controls the merging and separation of the sand box modules at both ends. After the sand box modules are separated, the mold assembly is used to shape the sand in the sand box module. The gantry crane pours the molding sand in the sand loading tube into the sand box module. The compaction drive module controls the compaction module to compact. The compaction module compacts the molding sand in the sand box module. After the molding sand is hardened, the sand box modules are merged and the upper mold core is installed. The gantry crane injects molten iron in the crucible into the sand box module.

[0007] Furthermore, the feed module includes a support column, a feed drive assembly, an adjusting screw, a fixed block, a protective shell and a cushion block. A plurality of support columns are arranged on the workbench, the workbench is fixedly connected to the cushion block, a protective shell is arranged between two of the support columns, a fixed block is arranged on the protective shell, the fixed block is rotatably connected to the adjusting screw, both ends of the adjusting screw pass through the support column and are fixedly connected to the feed drive assembly, the adjusting screw is rotatably connected to the support column, the adjusting screw is threadedly connected to the sand box module, and the cushion block is slidably connected to the sand box module; the support column is used to fix and support each component, the adjusting screw is a trapezoidal screw, the thread lead angle is less than the equivalent friction angle and can achieve self-locking, the feed drive assembly controls the rotation of the adjusting screw, and the threads on both sides of the adjusting screw have opposite rotation directions, so that it can simultaneously control the merging and separation of the sand box modules at both ends, the fixed block is used to support the adjusting screw, the protective shell can prevent slag from falling into the adjusting screw, the cushion block is used to support the sand box module to prevent the molding sand falling from the bottom from affecting the movement of the sand box module, and a cover plate can be placed on the top when injecting molten iron to prevent slag from splashing to other components.

[0008] Furthermore, the sand box module includes a fixed frame, a mounting plate, a molding sand box, a moving block, a mold placement assembly, a core placement frame, a fixed bracket and a rotating block. The molding sand box is arranged on the fixed frame, and the fixed frame is fixedly connected to the mounting plate at one end away from the molding sand box, and the bottom surface of the fixed frame is slidably connected to the cushion block. Moving blocks are respectively arranged at both ends of the fixed frame, and the moving blocks are provided with threaded holes and threadedly connected to the adjusting screw rods. The molding sand box is connected to the mold placement assembly at one side away from the mounting plate, and the molding sand box is slidably connected to the clamping module at one end away from the mold placement assembly. The mounting plate is fixedly connected to the clamping drive module, and the core placement frame is fixedly connected to the workbench. The bottom surface of the molding sand box is provided with semicircular holes, and the semicircular holes of the molding sand box are fitted with the core placement frame. A plurality of fixed brackets are arranged at the bottom of the molding sand box, and the rotating block is provided with a circular Hole, the rotating block is rotatably connected with the fixed bracket through the circular hole, and the mold assembly is placed on the mold placement assembly; the fixed bracket is used to connect various components, and the mounting plate is used to install the clamping drive module. The mold assembly is placed on the mold placement assembly. After the molding sand box is separated, the rotating block on the fixed bracket is rotated, and the mold placement assembly is placed on the rotating block. After fixing the mold placement assembly, fill the molding sand into the molding sand box, and continuously knock to make the molding sand filled tightly. The clamping module presses the molding sand, and after the molding sand is completely filled, the top is pressed and flattened, and then the molding sand is hardened, and the mold placement assembly is taken out. After the molding sand is hardened, it is polished and smooth. A fixed column is provided at the bottom of the mold core. After the mold core is positioned, it is installed on the mold core placement frame through the fixed column. Finally, the adjusting screw is rotated to control the moving block to merge the molding sand boxes on both sides.

[0009] Furthermore, the clamping module includes a movable plate, a clamping plate, a push rod and a connecting rod. The movable plate is slidably connected to the molding sand box, and a plurality of through holes are provided on the movable plate. The push rod passes through the through holes of the movable plate and is fixedly connected to the clamping plate. The movable plate is slidably connected to the push rod, and a plurality of connecting rods are provided on the movable plate, and the connecting rod is fixedly connected to the clamping drive module. The clamping that only relies on the movable plate for clamping is easy to get stuck, and the molding sand cannot be completely clamped. The push rod can be knocked to clamp the clamping plate. The pressure on the clamping plate is small, and the molding sand at various locations can be compressed. An inclined block is provided on the side of the clamping plate away from the push rod. The inclined block can push the molding sand below obliquely upward, and it can also reduce the filling dead angle for castings with complex structures. The clamping drive module controls the extension and retraction of the connecting rod to drive the movable plate to move.

[0010] Furthermore, the clamping drive module includes a clamping drive gear, a clamping driven gear, a threaded tube, a fixing rod, a clamping grip and a clamping gear box. The clamping drive gear is provided with a cam shaft on one side close to the mounting plate, and the clamping drive gear is rotatably connected to the mounting plate via the cam shaft. The clamping drive gear is fixedly connected to the fixing rod at one end away from the cam shaft. The clamping drive gear meshes and rotates with the clamping driven gear. The clamping driven gear is provided with an annular boss on one side close to the mounting plate, and the clamping driven gear is rotatably connected to the mounting plate via the annular boss. The clamping driven gear is fixedly connected to the threaded tube at one end away from the annular boss. One end of the connecting rod passes through the mounting plate The cam is connected to the clamping gear box via the external thread, and the threaded tube is connected to the clamping gear box at one end thereof away from the clamping gear box. The fixing rod passes through the clamping gear box and is fixedly connected to the clamping handle. The fixing rod is connected to the clamping gear box via the external thread. The threaded tube is connected to the external thread of the connecting rod, and the thread lead angle is smaller than the equivalent friction angle, so that self-locking can be achieved. The clamping gear box protects the internal structure. When the clamping handle rotates, the clamping driving gear is controlled to rotate through the fixing rod, thereby driving the threaded tube on the clamping driven gear to rotate. When the threaded tube rotates, the connecting rod is controlled to extend and retract.

[0011] Furthermore, the mold assembly includes a cast iron part model and slag collecting bars, a plurality of slag collecting bars are arranged on the cast iron part model, and the cast iron part model is fixed on the mold placement assembly; the cast iron part model is divided into two halves, which are respectively placed on the mold placement assemblies on both sides, and slag collecting bars are added at designated positions according to the actual inspection conditions of the cast iron part, and the slag collecting bars can improve the slag inclusion condition of the cast iron part.

[0012] Furthermore, the feed drive assembly includes a feed drive gear, a feed driven gear, a feed handle and a feed gear box, the feed drive gear is provided with a fixed boss and is rotatably connected to the feed gear box, the feed drive gear is provided with a connecting shaft on the side away from the feed gear box, the connecting shaft of the feed drive gear passes through the feed gear box and is fixedly connected to the feed handle, the connecting shaft of the feed drive gear is rotatably connected to the feed gear box, the feed drive gear meshes and rotates with the feed driven gear, and the feed driven gear is fixedly connected to the adjusting screw; the feed gear box protects internal parts, the feed handle controls the rotation of the feed drive gear, and then drives the feed driven gear to rotate, and the feed driven gear controls the rotation of the adjusting screw.

[0013] Furthermore, the mold placement assembly includes a movable plate, a movable bracket and a rotating hook. Several movable brackets are respectively arranged at both ends of the movable plate. The rotating hook is provided with a mounting hole and is rotatably connected to the movable bracket. Several limiting columns are respectively provided at both ends of the molding sand box. The rotating hook is connected to the limiting column of the molding sand box at one end away from the movable bracket. The bottom surface of the movable plate is fitted with the rotating block, and the movable plate is fitted with the molding sand box; a plurality of positioning pins are provided on the movable plate, and a plurality of positioning holes are provided on the cast iron model. The installation accuracy of the cast iron model is improved by the positioning pins and the positioning holes. The movable plate is tightly attached to the molding sand box, and the rotating hook is rotated to hook the limiting column of the molding sand box to play a fixing role.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. Cover the casting with slag collecting strips to achieve the slag collecting effect, improve the serious situation of magnetic powder slag inclusion in the bearing seat, reduce the amount of grinding by workers, and save cleaning time; 2. The molding sand is clamped on multiple sides to make the molding sand fit the cast iron parts completely, reducing the defects of the cast iron parts and eliminating the need to frequently move the molding sand mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the workbench and the feeding module of the present invention; Figure 3 It is a schematic diagram of the structure of the feed workbench, the drive assembly and the mold core placement rack of the present invention; Figure 4 It is a structural schematic diagram of the sand box module, the pressing module and the pressing drive module of the present invention; Figure 5 It is a schematic diagram of the internal structure of the sand box module, the pressing module and the pressing drive module of the present invention; Figure 6 It is a schematic diagram of the structure of the sand box module part, the pressing module and the pressing drive module of the present invention; Figure 7 It is a schematic diagram of the mold assembly structure of the present invention.

[0016] In the figure: 1. workbench; 2. feed module; 21. support column; 22. feed drive assembly; 221. feed drive gear; 222. feed driven gear; 223. feed handle; 224. feed gear box; 23. adjusting screw; 24. fixing block; 25. protective shell; 26. cushion block; 3. sand box module; 31. fixing frame; 32. mounting plate; 33. sand box; 34. moving block; 35. mold placement assembly; 351. movable plate; 352. movable bracket; 3 53. Rotating hook; 36. Core placement rack; 37. Fixed bracket; 38. Rotating block; 4. Clamping module; 41. Moving plate; 42. Clamping plate; 43. Push rod; 44. Connecting rod; 5. Clamping drive module; 51. Clamping drive gear; 52. Clamping driven gear; 53. Threaded pipe; 54. Fixed rod; 55. Clamping handle; 56. Clamping gear box; 6. Mold assembly; 61. Cast iron model; 62. Slag collecting strip; 7. Gantry crane; 8. Crucible; 9. Sand filling tube. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Example: Figure 1-Figure 7 As shown, the present invention provides a technical solution, a casting device for improving the surface magnetic powder defects of wind power spherical cast iron parts, comprising a workbench 1, a feeding module 2, a sand box module 3, a pressing module 4, a pressing drive module 5, a mold assembly 6, a gantry crane 7, a crucible 8 and a sand filling tube 9, wherein the workbench 1 is placed on a plane, and the feeding modules 2 are respectively arranged at both ends of the workbench 1, and the two feeding modules 2 are placed opposite to each other, the workbench 1 is fixedly connected to the sand box module 3, and the sand box modules 3 are respectively arranged at both ends of the feeding module 2, and the two sand box modules 3 are placed opposite to each other, and the two ends of the sand box module 3 are connected to the feeding module 2, the sand box module 3 is fixedly connected to the pressing module 4, the sand box module 3 is fixedly connected to the pressing drive module 5, and the pressing drive module 5 is threadedly connected to the pressing module 4, the mold assembly 6 is placed in the sand box module 3, the gantry crane 7 is placed on a plane, the crucible 8 is placed on a plane, and the crucible 8 is located at the bottom of the gantry crane 7, the sand filling tube 9 is placed on a plane, and the sand filling tube 9 is located at the bottom of the gantry crane 7.

[0019] The workbench 1 is used to fix and support various components. The feeding module 2 controls the merging and separation of the sand box modules 3 at both ends. After the sand box modules 3 are separated, the mold assembly 6 is used to shape the sand in the sand box module 3. The gantry crane 7 pours the molding sand in the sand loading tube 9 into the sand box module 3. The compaction drive module 5 controls the compaction module 4 to compact. The compaction module 4 compacts the molding sand in the sand box module 3. After the molding sand is hardened, the sand box modules 3 are merged and the upper mold core is installed. The gantry crane 7 injects the molten iron in the crucible 8 into the sand box module 3.

[0020] like Figure 2 As shown, the feed module 2 includes a support column 21, a feed drive assembly 22, an adjusting screw 23, a fixed block 24, a protective shell 25 and a cushion block 26. A plurality of support columns 21 are arranged on the workbench 1, and the workbench 1 is fixedly connected to the cushion block 26. A protective shell 25 is arranged between two of the support columns 21. A fixed block 24 is arranged on the protective shell 25. The fixed block 24 is rotatably connected to the adjusting screw 23. Both ends of the adjusting screw 23 pass through the support columns 21 and are fixedly connected to the feed drive assembly 22. The adjusting screw 23 is rotatably connected to the support column 21. The adjusting screw 23 is threadedly connected to the sand box module 3, and the cushion block 26 is slidably connected to the sand box module 3.

[0021] The support column 21 is used to fix and support various components. The adjusting screw 23 is a trapezoidal screw. The thread lead angle is smaller than the equivalent friction angle to achieve self-locking. The feed drive assembly 22 controls the rotation of the adjusting screw 23. The threads on both sides of the adjusting screw 23 rotate in opposite directions, so that it can simultaneously control the merging and separation of the sand box modules 3 at both ends. The fixed block 24 is used to support the adjusting screw 23. The protective shell 25 can prevent slag from falling into the adjusting screw 23. The cushion block 26 is used to support the sand box module 3 to prevent the molding sand falling from the bottom from affecting the movement of the sand box module 3. When injecting molten iron, a cover plate can be placed on the top to prevent slag from splashing to other components.

[0022] like Figure 4 , Figure 5As shown, the sand box module 3 includes a fixed frame 31, a mounting plate 32, a molding sand box 33, a moving block 34, a mold placement assembly 35, a mold core placement frame 36, a fixed bracket 37 and a rotating block 38. The molding sand box 33 is arranged on the fixed frame 31, and the fixed frame 31 is fixedly connected to the mounting plate 32 at one end away from the molding sand box 33, and the bottom surface of the fixed frame 31 is slidably connected to the cushion block 26. Moving blocks 34 are respectively arranged at both ends of the fixed frame 31, and the moving blocks 34 are provided with threaded holes and threadedly connected to the adjusting screw rod 23. The molding sand box 33 is connected to the mounting plate 32 at one side thereof. The mold placement assembly 35 is connected, the molding sand box 33 is slidably connected to the clamping module 4 at one end away from the mold placement assembly 35, the mounting plate 32 is fixedly connected to the clamping drive module 5, the core placement frame 36 is fixedly connected to the workbench 1, and the bottom surface of the molding sand box 33 is provided with a semicircular hole, the semicircular hole of the molding sand box 33 is in contact with the core placement frame 36, a plurality of fixed brackets 37 are arranged at the bottom of the molding sand box 33, the rotating block 38 is provided with a circular hole, and the rotating block 38 is rotatably connected to the fixed bracket 37 through the circular hole, and the mold assembly 6 is placed on the mold placement assembly 35.

[0023] The fixing frame 31 is used to connect various components, and the mounting plate 32 is used to install the clamping drive module 5. The mold assembly 6 is placed on the mold placement assembly 35. After the molding sand box 33 is separated, the rotating block 38 on the fixing bracket 37 is rotated to place the mold placement assembly 35 on the rotating block 38. After the mold placement assembly 35 is fixed, the molding sand is filled into the molding sand box 33, and the molding sand is continuously knocked to make the molding sand filled tightly. The clamping module 4 presses the molding sand. After the molding sand is completely filled, the top is pressed and flattened, and then the molding sand is hardened. The mold placement assembly 35 is taken out, and the molding sand is polished smooth after hardening. A fixing column is provided at the bottom of the mold core. After the mold core is positioned, it is installed on the mold core placement frame 36 through the fixing column. Finally, the adjusting screw 23 is rotated to control the moving block 34 to merge the molding sand boxes 33 on both sides.

[0024] like Figure 4 , Figure 6 As shown, the clamping module 4 includes a moving plate 41, a clamping plate 42, a push rod 43 and a connecting rod 44. The moving plate 41 is slidably connected to the molding sand box 33. The moving plate 41 is provided with a plurality of through holes. The push rod 43 passes through the through holes of the moving plate 41 and is fixedly connected to the clamping plate 42. The moving plate 41 is slidably connected to the push rod 43. A plurality of connecting rods 44 are provided on the moving plate 41. The connecting rod 44 is fixedly connected to the clamping drive module 5.

[0025] The described clamping by relying solely on the movable plate 41 is prone to getting stuck and cannot completely compact the molding sand. The push rod 43 can be knocked to compact the clamping plate 42. The clamping plate 42 is subjected to less pressure and can compact the molding sand at various locations. The clamping plate 42 is provided with an inclined block on the side away from the push rod 43. The inclined block can push the molding sand below obliquely upward, and can also reduce filling dead angles for castings with complex structures. The compaction drive module 5 controls the extension and retraction of the connecting rod 44 to drive the movable plate 41 to move.

[0026] like Figure 4 , Figure 5 As shown, the clamping drive module 5 includes a clamping drive gear 51, a clamping driven gear 52, a threaded tube 53, a fixing rod 54, a clamping handle 55 and a clamping gear box 56. The clamping drive gear 51 is provided with a cam shaft on the side close to the mounting plate 32. The clamping drive gear 51 is rotatably connected to the mounting plate 32 through the cam shaft. The end of the clamping drive gear 51 away from the cam shaft is fixedly connected to the fixing rod 54. The clamping drive gear 51 is meshed and rotated with the clamping driven gear 52. The clamping driven gear 52 is provided with a circular boss on the side close to the mounting plate 32. The clamping driven gear 52 is connected to the mounting plate 32 through the cam shaft. It is rotatably connected to the mounting plate 32 through the annular boss, and the clamping driven gear 52 is fixedly connected to the threaded tube 53 at one end away from the annular boss. One end of the connecting rod 44 passes through the mounting plate 32, the clamping driven gear 52 and the threaded tube 53. The connecting rod 44 is provided with an external thread, and the connecting rod 44 is threadedly connected to the threaded tube 53 through the external thread. The threaded tube 53 is rotatably connected to the clamping gear box 56 at one end away from the clamping driven gear 52. The fixing rod 54 passes through the clamping gear box 56 and is fixedly connected to the clamping handle 55, and the fixing rod 54 is rotatably connected to the clamping gear box 56.

[0027] The threaded tube 53 is connected to the external thread of the connecting rod 44. The thread lead angle is smaller than the equivalent friction angle, which can achieve self-locking. The clamping gear box 56 protects the internal structure. When the clamping handle 55 rotates, the clamping drive gear 51 is controlled to rotate through the fixed rod 54, driving the threaded tube 53 on the clamping driven gear 52 to rotate. When the threaded tube 53 rotates, the connecting rod 44 is controlled to retract.

[0028] like Figure 7 As shown, the mold assembly 6 includes a cast iron model 61 and slag collecting strips 62 . A plurality of slag collecting strips 62 are arranged on the cast iron model 61 . The cast iron model 61 is fixed on the mold placement assembly 35 .

[0029] The iron casting model 61 is divided into two halves, which are placed on the mold placement components 35 on both sides respectively. Slag collecting strips 62 are added at designated positions according to the actual inspection conditions of the iron casting. The slag collecting strips 62 can improve the slag inclusion condition of the iron casting.

[0030] like Figure 3As shown, the feed drive assembly 22 includes a feed drive gear 221, a feed driven gear 222, a feed handle 223 and a feed gear box 224. The feed drive gear 221 is provided with a fixed boss and is rotatably connected to the feed gear box 224. The feed drive gear 221 is provided with a connecting shaft on the side away from the feed gear box 224. The connecting shaft of the feed drive gear 221 passes through the feed gear box 224 and is fixedly connected to the feed handle 223. The connecting shaft of the feed drive gear 221 is rotatably connected to the feed gear box 224. The feed drive gear 221 is meshed and rotated with the feed driven gear 222, and the feed driven gear 222 is fixedly connected to the adjusting screw 23.

[0031] The feed gear box 224 protects the internal parts. The feed handle 223 controls the feed driving gear 221 to rotate, thereby driving the feed driven gear 222 to rotate. The feed driven gear 222 controls the adjustment screw 23 to rotate.

[0032] like Figure 4 As shown, the mold placement assembly 35 includes a movable plate 351, a movable bracket 352 and a rotating hook 353. A plurality of movable brackets 352 are respectively arranged at both ends of the movable plate 351. The rotating hook 353 is provided with a mounting hole and is rotatably connected to the movable bracket 352. A plurality of limiting columns are respectively arranged at both ends of the molding sand box 33. The end of the rotating hook 353 away from the movable bracket 352 is connected to the limiting column of the molding sand box 33. The bottom surface of the movable plate 351 is in contact with the rotating block 38, and the movable plate 351 is in contact with the molding sand box 33.

[0033] The movable plate 351 is provided with a plurality of positioning pins, and the cast iron model 61 is provided with a plurality of positioning holes. The positioning pins and the positioning holes are used to improve the installation accuracy of the cast iron model 61. The movable plate 351 is tightly attached to the molding sand box 33, and the rotating hook 353 is rotated to hook the limiting column of the molding sand box 33 to play a fixing role.

[0034] The working principle of the present invention is as follows: the feed drive assembly 22 drives the adjusting screw 23 to rotate, controls the separation of the two side molding sand boxes 33, after the molding sand boxes 33 are separated, the cast iron part model 61 is placed on the mold placement assembly 35, the mold placement assembly 35 is fixed on the molding sand box 33, the gantry crane 7 pours the molding sand in the sand loading tube 9 into the sand box module 3, the clamping drive module 5 controls the clamping module 4 to compact the molding sand in the molding sand box 33, after the molding sand is hardened, remove the mold placement assembly 35 with the cast iron part model 61, and install the mold core on the mold core placement frame 36, the feed drive assembly 22 merges the molding sand boxes 33, and the gantry crane 7 injects the molten iron in the crucible 8 into the merged molding sand boxes 33.

[0035] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings, characterized in that: The casting device comprises a workbench (1), a feeding module (2), a sand box module (3), a clamping module (4), a clamping drive module (5), a mold assembly (6), a gantry crane (7), a crucible (8) and a sand loading tube (9), wherein the workbench (1) is placed on a plane, the feeding modules (2) are respectively arranged at both ends of the workbench (1), the two feeding modules (2) are placed opposite to each other, the workbench (1) is fixedly connected to the sand box module (3), the sand box modules (3) are respectively arranged at both ends of the feeding module (2), the two sand box modules (3) are opposite to each other. Regarding placement, both ends of the sand box module (3) are connected to the feeding module (2), the sand box module (3) is fixedly connected to the clamping module (4), the sand box module (3) is fixedly connected to the clamping drive module (5), the clamping drive module (5) is threadedly connected to the clamping module (4), the mold assembly (6) is placed in the sand box module (3), the gantry crane (7) is placed on a plane, the crucible (8) is placed on a plane, the crucible (8) is located at the bottom of the gantry crane (7), and the sand loading tube (9) is placed on a plane, and the sand loading tube (9) is located at the bottom of the gantry crane (7).

2. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings according to claim 1, characterized in that: The feed module (2) comprises a support column (21), a feed drive assembly (22), an adjusting screw (23), a fixing block (24), a protective shell (25) and a cushion block (26); a plurality of support columns (21) are arranged on the workbench (1); the workbench (1) is fixedly connected to the cushion block (26); a protective shell (25) is arranged between two of the support columns (21); a fixing block (24) is arranged on the protective shell (25); the fixing block (24) is rotatably connected to the adjusting screw (23); both ends of the adjusting screw (23) pass through the support column (21) and are fixedly connected to the feed drive assembly (22); the adjusting screw (23) is rotatably connected to the support column (21); the adjusting screw (23) is threadedly connected to the sand box module (3); and the cushion block (26) is slidably connected to the sand box module (3).

3. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings according to claim 2, characterized in that: The sand box module (3) comprises a fixed frame (31), a mounting plate (32), a molding sand box (33), a moving block (34), a mold placement assembly (35), a mold core placement frame (36), a fixed bracket (37) and a rotating block (38). The molding sand box (33) is arranged on the fixed frame (31). One end of the fixed frame (31) away from the molding sand box (33) is fixedly connected to the mounting plate (32). The bottom surface of the fixed frame (31) is slidably connected to the cushion block (26). Moving blocks (34) are respectively arranged at both ends of the fixed frame (31). The moving blocks (34) are provided with threaded holes and are threadedly connected to the adjusting screw rod (23). One end of the molding sand box (33) away from the mounting plate (32) is fixedly connected to the mounting plate (32). The surface of the molding sand box (33) is connected to the mold placement component (35), one end of the molding sand box (33) away from the mold placement component (35) is slidably connected to the clamping module (4), the mounting plate (32) is fixedly connected to the clamping drive module (5), the mold core placement frame (36) is fixedly connected to the workbench (1), the bottom surface of the molding sand box (33) is provided with a semicircular hole, the semicircular hole of the molding sand box (33) is fitted with the mold core placement frame (36), a plurality of fixed brackets (37) are arranged at the bottom of the molding sand box (33), the rotating block (38) is provided with a circular hole, the rotating block (38) is rotatably connected to the fixed bracket (37) through the circular hole, and the mold assembly (6) is placed on the mold placement component (35).

4. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings according to claim 3, characterized in that: The clamping module (4) comprises a moving plate (41), a clamping plate (42), a push rod (43) and a connecting rod (44); the moving plate (41) is slidably connected to the molding sand box (33); a plurality of through holes are provided on the moving plate (41); the push rod (43) passes through the through holes of the moving plate (41) and is fixedly connected to the clamping plate (42); the moving plate (41) is slidably connected to the push rod (43); a plurality of connecting rods (44) are provided on the moving plate (41); and the connecting rods (44) are fixedly connected to the clamping drive module (5).

5. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings according to claim 4, characterized in that: The clamping drive module (5) comprises a clamping drive gear (51), a clamping driven gear (52), a threaded tube (53), a fixing rod (54), a clamping grip (55) and a clamping gear box (56). The clamping drive gear (51) is provided with a convex shaft on one side close to the mounting plate (32). The clamping drive gear (51) is rotatably connected to the mounting plate (32) via the convex shaft. The end of the clamping drive gear (51) away from the convex shaft is fixedly connected to the fixing rod (54). The clamping drive gear (51) is meshed and rotatably connected to the clamping driven gear (52). The clamping driven gear (52) is provided with a circular boss on one side close to the mounting plate (32). The clamping driven gear (52) is connected to the mounting plate (32) via the convex shaft. The annular boss is rotatably connected to the mounting plate (32); the end of the clamping driven gear (52) away from the annular boss is fixedly connected to the threaded tube (53); one end of the connecting rod (44) passes through the mounting plate (32), the clamping driven gear (52) and the threaded tube (53); an external thread is provided on the connecting rod (44); the connecting rod (44) is threadedly connected to the threaded tube (53) via the external thread; the end of the threaded tube (53) away from the clamping driven gear (52) is rotatably connected to the clamping gear box (56); the fixing rod (54) passes through the clamping gear box (56) and is fixedly connected to the clamping handle (55); the fixing rod (54) is rotatably connected to the clamping gear box (56).

6. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings according to claim 3, characterized in that: The mold assembly (6) comprises a cast iron model (61) and slag collecting bars (62), a plurality of slag collecting bars (62) being arranged on the cast iron model (61), and the cast iron model (61) is fixed on the mold placement assembly (35).

7. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings according to claim 2, characterized in that: The feed drive assembly (22) comprises a feed drive gear (221), a feed driven gear (222), a feed handle (223) and a feed gear box (224); the feed drive gear (221) is provided with a fixed boss and is rotatably connected to the feed gear box (224); a connecting shaft is provided on a side of the feed drive gear (221) away from the feed gear box (224); the connecting shaft of the feed drive gear (221) passes through the feed gear box (224) and is fixedly connected to the feed handle (223); the connecting shaft of the feed drive gear (221) is rotatably connected to the feed gear box (224); the feed drive gear (221) is meshed and rotatably engaged with the feed driven gear (222); and the feed driven gear (222) is fixedly connected to the adjusting screw (23).

8. A casting device for improving the surface magnetic powder defects of wind power spherical iron castings according to claim 3, characterized in that: The mold placement assembly (35) comprises a movable plate (351), a movable bracket (352) and a rotating hook (353); a plurality of movable brackets (352) are respectively arranged at both ends of the movable plate (351); the rotating hook (353) is provided with a mounting hole and is rotatably connected to the movable bracket (352); a plurality of limiting columns are respectively arranged at both ends of the molding sand box (33); an end of the rotating hook (353) away from the movable bracket (352) is connected to the limiting column of the molding sand box (33); the bottom surface of the movable plate (351) is in contact with the rotating block (38); and the movable plate (351) is in contact with the molding sand box (33).

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